Question

3. How does a carbon-14 atom change back into a nitrogen atom?

Answer 1

Carbon 14 change back into the stable nuclei Nitrogen by emitting electron and electron antineutron.

Explanation:-

Carbon 14 is one of the radioactive isotope elements that contains 6 protons and 8 neutron elements.

A general chemical reaction of Carbon 14 is given below.

$14_{6} C \rightarrow 14_{7} N+B e t a^{-1}$

This above reaction can be categorized under Nuclear Reaction. When atomic number 6 (Carbon) was irradiated, Beta ray emission happen and new stable nuclei with atomic number 7 (Nitrogen) formed without change in atomic mass of any nuclei. As well as some amount of energy also emitted through this reaction.

Answer 2

Answer:  an electron and an electron antineutrino, one of the neutrons in the carbon-14 atom decays to a proton and the carbon-14 (half-life of 5,700 ± 40 years) decays into the stable (non-radioactive) isotope nitrogen-14.

Neutrons: 8

Isotope mass: 14.003241 u

Symbol names: 14C; carbon-14, C-14, radioca...

Protons: 6